{"slug":"roblox-open-cloud","title":"roblox-open-cloud","summary":"Use Roblox Open Cloud for external automation or supported in-experience HTTP calls. Covers API keys, OAuth, scopes, Secrets Store, webhooks, rate limits, and choosing REST versus engine APIs.","platform":"Claude","tags":[],"authorName":"LLM Mart","authorSlug":"llm-mart","score":0,"source":"github","price":null,"verified":false,"createdAt":"2026-10-18T17:23:57.12534Z","repo":{"url":"https://github.com/nonlooped/roblox-suite","stars":22,"forks":0,"license":"MIT","updatedAt":"2026-10-17T23:48:49Z"},"bodyHtml":"
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name: roblox-open-cloud\ndescription: \"Use Roblox Open Cloud for external automation or supported in-experience HTTP calls. Covers API keys, OAuth, scopes, Secrets Store, webhooks, rate limits, and choosing REST versus engine APIs.\"\nlast_reviewed: 2026-08-18

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roblox-open-cloud

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Open Cloud is the REST API surface for Roblox resources. It lets you build command-line tools, web apps, CI/CD pipelines, scheduled jobs, and external automation that read and write the same resources your live game servers use, without running a game server.

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Cross-reference:

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Authentication

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Three auth models, in order of preference:

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1. API keys (recommended for most automation)

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All Open Cloud APIs accept an x-api-key header containing an API key string. Create keys on the Creator Dashboard → API Keys page.

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2. OAuth 2.0 (for apps acting on behalf of other users)

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Use OAuth 2.0 when your app needs to act on behalf of a Roblox user who isn't you (e.g. a third-party tool a creator logs into). See https://create.roblox.com/docs/cloud/auth/oauth2-overview. Has stronger stability guarantees and regular updates.

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3. legacy cookie auth (avoid)

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Legacy APIs use cookie-based auth, can break without notice, and have minimal stability guarantees. Not recommended for production. Only use for one-off internal tooling where breakage is acceptable.

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API key lifecycle

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API keys have these statuses (from the official docs):

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StatusReasonResolution
ActiveNo issues.N/A
DisabledYou toggled Enable Key off.Toggle it back on.
ExpiredExpiration date passed.Remove or set a new expiration.
Auto-ExpiredUnused or unmodified for 60 days (even without a set expiration).Disable then re-enable, or update any property.
RevokedGroup key: the generating account lost group access.Regenerate the key.
ModeratedA Roblox admin changed the key secret for security.Regenerate.
User ModeratedThe generating account is under moderation.Resolve the moderation.
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The 60-day auto-expiry is the most common surprise: keys you set up and forget will silently stop working. Either use them regularly or build a rotation/reminder process.

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Introspect endpoint

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POST https://apis.roblox.com/api-keys/v1/introspect verifies whether a key is usable from the caller's IP and whether the key/user is moderated. Useful for debugging \"why is my key failing\":

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curl --location --request POST 'https://apis.roblox.com/api-keys/v1/introspect' \\\n--header 'Content-Type: application/json' \\\n--data '{\"apiKey\": \"your-api-key\"}'\n
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Returns the key name, authorized user, scopes (with userId/groupId/universeId/universeDatastore resource identifiers; * means all resources of that type), enabled, expired, and expirationTimeUtc.

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The endpoint map

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Base URL: https://apis.roblox.com/cloud/v2/... (plus a few apis.roblox.com/<feature>/v1/... legacy paths for assets). All v2 endpoints accept x-api-key.

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Data and memory stores (the most-used surface)

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Data stores (/cloud/v2/universes/{universe_id}/data-stores/...):

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Memory stores (/cloud/v2/universes/{universe_id}/memory-stores/...):

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Ordered data stores (/cloud/v2/universes/{universe_id}/ordered-data-stores/...):

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Universes and places

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Assets

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Users and inventories

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Groups

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Monetization (cross-ref roblox-gamepasses)

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Moderation and bans

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Luau execution

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Notifications and configs

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Creator store

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See https://create.roblox.com/docs/en-us/cloud for the full, current list (new endpoints are added regularly).

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Calling Open Cloud from in-experience (HttpService)

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A subset of Open Cloud endpoints is callable from inside a live game server via HttpService. This is how you do things like update group memberships or kick users from external triggers without leaving the experience.

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Requirements:

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Rate limits (per game server):

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Example: update a group membership from an experience.

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--!strict\nlocal HttpService = game:GetService(\"HttpService\")\n\nlocal function updateGroupMembership(groupId: string, membershipId: string, roleId: string)\n    local response\n    local ok, err = pcall(function()\n        response = HttpService:RequestAsync({\n            Url = `https://apis.roblox.com/cloud/v2/groups/{groupId}/memberships/{membershipId}`,\n            Method = \"PATCH\",\n            Headers = {\n                [\"Content-Type\"] = \"application/json\",\n                [\"x-api-key\"] = HttpService:GetSecret(\"APIKey\"), -- Secret, not string\n            },\n            Body = HttpService:JSONEncode({ role = `groups/{groupId}/roles/{roleId}` }),\n        })\n    end)\n    if not ok then\n        warn(\"HTTP request failed:\", err)\n        return false\n    end\n    if response.Success then\n        print(\"Updated:\", response.StatusCode, response.StatusMessage)\n        return true\n    end\n    warn(\"Error:\", response.StatusCode, response.StatusMessage)\n    return false\nend\n
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Best practices: pcall everything; retry safe reads by default, but retry mutations only with endpoint-specific idempotency semantics. On 429, honor retry-after, then x-ratelimit-reset, before bounded exponential backoff. Always retain the last response/error and do not sleep after the final attempt. Aggregate into bulk endpoints where possible; rely on HTTP/2 (automatic, but send lowercase header names). The Observability Dashboard (Creator Hub → Monitoring) shows request count and response time for your HttpService calls.

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Webhooks

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Open Cloud emits webhooks for certain events, including subscription events (cancelled, purchased, refunded, renewed). Set up a webhook endpoint in your app, register it via the Cloud API, and Roblox will POST event payloads to it. This is the real-time path for subscription analytics without polling GetUserSubscriptionPaymentHistoryAsync. See https://create.roblox.com/docs/en-us/cloud/webhooks/webhook-notifications.

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The Transaction Refunded trigger is separate from the subscription events. It covers developer products, passes, private servers, and paid access, but not subscriptions. Its payload includes the buyer, product type and ID, the Robux amount (the product's original price, not what the buyer paid), the universe and place, the transaction or receipt ID, and the refund time. A refunded pass or avatar item is revoked by Roblox automatically; a refunded developer product's benefit exists only in your experience's code, so remove it from player data yourself when this notification arrives.

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The October 2026 refund-trigger note is experimental guidance pending a second human review (critical tier). Verify the payload on a test purchase before relying on it.

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Decision tree: in-engine vs Open Cloud

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NeedUse
Normal player data read/write during a live serverIn-engine DataStoreService
External bulk migration, cleanup, RTBF deletionOpen Cloud Data Stores
Scheduled daily snapshot before a risky publishOpen Cloud SnapshotDataStores
Restart all servers after a config changeOpen Cloud RestartUniverseServers
Publish a place from CIOpen Cloud UpdatePlace
Upload many assets programmaticallyOpen Cloud Assets
Update a group role from in-experienceHttpService + Open Cloud UpdateGroupMembership
Send a notification to a user outside the experienceOpen Cloud CreateUserNotification
Real-time subscription event analyticsOpen Cloud webhooks
Normal monetization prompts/grants in-experienceIn-engine MarketplaceService
Manage game pass/dev product config externallyOpen Cloud game passes / developer products
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Security checklist

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Common mistakes

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How to proceed

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  1. Identify whether the task is in-engine or external. If external, Open Cloud.
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  2. Create an API key with the minimum scopes for the task. If group-owned, use a dedicated account.
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  3. Store the key in a Secrets Store if calling from HttpService; otherwise in your secrets manager.
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  4. Test with the introspect endpoint and a single GET.
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  5. Build the workflow with pcall, header-aware rate limiting, and method/endpoint-aware retries. For bulk, prefer batch endpoints.
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  6. Set up webhooks for events you want in real time (subscriptions).
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  7. Monitor via the Observability Dashboard; rotate/replace keys before they auto-expire.
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Sources

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Reference index

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